National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fog/Mist Light Drizzle

70°F

21°C

Humidity 94%
Wind Speed SE 6 mph
Barometer 30.03 in
Dewpoint 68°F (20°C)
Visibility 2.50 mi
Last update 15 Oct 8:50 am CDT
Extended Forecast for

2 Miles WNW Gillespie IL

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog between 10am and 11am. High near 78. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 78 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then isolated showers between 2am and 3am. Increasing clouds, with a low around 43. Southwest wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Friday

    Friday: Isolated showers after 3pm. Partly sunny, with a high near 56. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 56 °F

    Breezy.
    Partly Sunny
    then Isolated
    Showers

  • Friday Night

    Friday Night: Cloudy during the early evening, then gradual clearing, with a low around 34. North wind 8 to 16 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 59. North wind around 5 mph becoming calm in the morning.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog between 10am and 11am. High near 78. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely before 2am, then isolated showers between 2am and 3am. Increasing clouds, with a low around 43. Southwest wind 11 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Friday
Isolated showers after 3pm. Partly sunny, with a high near 56. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night
Cloudy during the early evening, then gradual clearing, with a low around 34. North wind 8 to 16 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 59. North wind around 5 mph becoming calm in the morning.
Saturday Night
Clear, with a low around 34.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Gillespie IL
 39.14°N 89.84°W (Elev. 659 ft)
Last Update:
5:11 am CDT Oct 15, 2026
Forecast Valid:
9am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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Chance of Precipitation